Convert the Pepper Talk API to use the new resource system.

ppapi/proxy/ppapi_messages.h

Index: ppapi/proxy/ppapi_messages.h
diff --git a/ppapi/proxy/ppapi_messages.h b/ppapi/proxy/ppapi_messages.h
index 7ae4a0ee168db772afbea710f597ad7c527e192f..087540ba2047093e2bcd772e0f58442bf94b26fd 100644
--- a/ppapi/proxy/ppapi_messages.h
+++ b/ppapi/proxy/ppapi_messages.h
@@ -664,13 +664,6 @@ IPC_MESSAGE_ROUTED4(PpapiMsg_PPPContentDecryptor_DecryptAndDecode,
                     PP_DecryptorStreamType /* decoder_type */,
                     ppapi::proxy::PPPDecryptor_Buffer /* buffer */,
                     std::string /* serialized_block_info */)
-
-// PPB_Talk
-IPC_MESSAGE_ROUTED3(
-    PpapiMsg_PPBTalk_GetPermissionACK,
-    uint32 /* plugin_dispatcher_id */,
-    PP_Resource /* resource */,
-    int32_t /* result */)
 #endif  // !defined(OS_NACL) && !defined(NACL_WIN64)
 
 // PPB_TCPSocket_Private.
@@ -1246,13 +1239,6 @@ IPC_SYNC_MESSAGE_ROUTED2_1(
     ppapi::HostResource /* font_file */,
     uint32_t /* table */,
     std::string /* result */)
-
-
-// PPB_Talk.
-IPC_MESSAGE_ROUTED2(
-    PpapiHostMsg_PPBTalk_GetPermission,
-    uint32 /* plugin_dispatcher_id */,
-    PP_Resource /* resource */)
 #endif  // !defined(OS_NACL) && !defined(NACL_WIN64)
 
 // PPB_Testing.
@@ -1685,6 +1671,18 @@ IPC_MESSAGE_CONTROL3(PpapiHostMsg_VideoCapture_Open,
                      uint32_t /* buffer_count */)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_VideoCapture_OpenReply)
 
+// Talk ------------------------------------------------------------------------
+
+IPC_MESSAGE_CONTROL0(PpapiHostMsg_Talk_Create)
+
+// Requests talk permissions. The host will respond with GetPermissionReply.
+IPC_MESSAGE_CONTROL0(PpapiHostMsg_Talk_GetPermission)
+
+// Response to GetPermission.
+//
+// The result of this message is the general Pepper "result" in the ReplyParams.
+IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Talk_GetPermissionReply)
+
 // VideoCapture_Dev, host -> plugin
 IPC_MESSAGE_CONTROL3(PpapiPluginMsg_VideoCapture_OnDeviceInfo,
                      PP_VideoCaptureDeviceInfo_Dev /* info */,